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Questions - iterator

Save bubble sort with iterator and unseve with raw pointers strange speed

Recently I was playing with bubble sorting and saw a strange phenomenon that I can't understand. For some reason, code on raw pointers is slower than if I use iterator (if run as cargo run without rel...
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Alisher

rust

iterator

raw-pointer

Votes: 0

Answers: 2

Latest Answer

I believe the reason bubble_sort_two() is so slow is because of the number of pointers you grab from the array in the function- in bubble_sort_one() is much less. in bubble_sort_one, the mutable poin...
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Esdeseserdt

Is there any way to not link the lifetime of the iterator to the struct?

I am trying to implement a filter function which receives an iterator to a vector and returns an iterator with the filter. Is there any way by which I don't link the lifetime of the iterator to the st...
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Richa Jain

filter

rust

iterator

traits

lifetime

Votes: 0

Answers: 1

Latest Answer

Yes, there is a way not to link the lifetime of the returned iterator to that of the reference to self: you need to move the data the filtering closure needs into the closure so that it doesn't refere...
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cdhowie

Skipping iterations inside Python iterator __next__ in a manner similar to continue

I would like to make a Python iterator class using __next__ that skips certain elements. For example, here I have implemented a generator using yield and continue and I would like the iterator class b...
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Daniel

python

iterator

Votes: 0

Answers: 1

Latest Answer

You're correct that recursion has a lot of limitations for algorithms like this. Typically you would want to avoid deep recursion to avoid RecursionErrors. In this case you need to recursively call _...
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flakes

How to resolve lifetime iterator impl error

I have a data structure called 'FluidSim' which is a bunch of cells. Think of a 2d grid (x,y) which then holds a vector of data for each cell (grid location). I want to make an iterator which lets me ...
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SupaGu

rust

iterator

Votes: 0

Answers: 0

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